A vulnerability classified as problematic was found in Email Subscribers and Newsletters Plugin up to 4.1.6 on WordPress (WordPress Plugin). This vulnerability affects an unknown code of the file wp-admin/admin-ajax.php of the component Subscription Handler. The manipulation of the argument esfpx_name as part of a POST Parameter leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

An XSS vulnerability in the "Email Subscribers & Newsletters" plugin 4.1.6 for WordPress allows an attacker to inject malicious JavaScript code through a publicly available subscription form using the esfpx_name wp-admin/admin-ajax.php POST parameter.

The weakness was presented 07/28/2019. This vulnerability was named CVE-2019-14364 since 07/28/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

By approaching the search of inurl:wp-admin/admin-ajax.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-141812, VDB-141813, VDB-142056 and VDB-142260 for similar entries.

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Type

• WordPress Plugin

Name

• Email Subscribers
• Newsletters Plugin

Version

• 4.1.0
• 4.1.1
• 4.1.2
• 4.1.3
• 4.1.4
• 4.1.5
• 4.1.6

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